![duct increaser/reducer](http://store.honguan.com/cdn/shop/products/Duct-Reducer-Increaser-Adaptor-200_to_150mm_b0c8f816-9e66-4b25-8b32-c92ba63e5b1c.jpg?v=1687223660&width=1500)
![duct increaser/reducer](http://store.honguan.com/cdn/shop/products/100-to-75mm-duct-adaptor_b05fc59e-5c87-4240-a6cf-2be2b752572a.jpg?v=1687223660&width=1500)
![air ductwork reducer](http://store.honguan.com/cdn/shop/products/110-to-100mm-duct-adaptor_ce0f0b8f-fdf2-427c-bd3b-8868aa61c3ad.jpg?v=1687223660&width=1500)
![duct increaser/reducer](http://store.honguan.com/cdn/shop/products/61jvKX5cpbL._AC_SL1500_29b22ee5-d0b4-4df1-8c10-bb5590f2427e.jpg?v=1687223660&width=1478)
![Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System](http://store.honguan.com/cdn/shop/products/81wSMS8UTlL._AC_SL1500_967087d2-40a8-4e44-9cfa-31cdd27388d1.jpg?v=1687223660&width=1500)
![Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System](http://store.honguan.com/cdn/shop/products/810m0TMLNYL._AC_SL1500_297196a5-88a4-4116-942b-039c861ad813.jpg?v=1687223660&width=1500)
![Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System](http://store.honguan.com/cdn/shop/products/reducer.jpg2_87bda7f0-03e5-47ba-936f-49c7ae3e555e.jpg?v=1687223660&width=1500)
![Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System](http://store.honguan.com/cdn/shop/files/600X450.jpg?v=1701767970&width=600)
![Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System](http://store.honguan.com/cdn/shop/files/600X450_2.jpg?v=1701767969&width=600)
Duct Adapter PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System
Size:4 to 3 Inch
Quantity:
- 【6 Inch to 4 Inch Duct Reducer】: For connecting two ducting of different diameters or for connecting hose to inline fan/exhaust vent. Either flexible duct or rigid sheet metal ducts can be used and save you space.
- 【Size】: On one side there is a 150mm Female Spigot - Will fit into 6 inch ducting. Outer Diameter-6.18", Inner Diameter-5.90". On the other side there is a 100mm Male Spigot - Will fit into 4 inch duct. Outer Diameter-3.89", Inner Diameter-3.66"; Height-4.52".
- 【Application】: 6 to 4 duct reducer designed for widely used, such as air-cooled hoods, garage, attic, bathroom kitchen extractor fan, hydroponics and HVAC ventilation systems, plastic rigid ducting is perfect for DIY and trade use.
- 【Easy to Install 6 to 4 PVC Reducer】: No tools are required to install the duct adapter and our calibre makes it easier to fit your duct on, and with the purchase of Hon&Guan hoses, clamps are included to make the duct connection between your reducer and the hose even tighter.
- 【Buy with Confidence】: We promise to ensure your absolute satisfaction with every purchase. Risk-free shopping.